Home / 89,218.84-133,680.60-39,223.96

Finding the Fourth Proportional to 89,218.84, 133,680.60 and 39,223.96

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Solution

The fourth proportional to 89,218.84, 133,680.60 and 39,223.96 is: 58,771.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,218.84 : 133,680.60 = 39,223.96 : x
  2. Step 2: Convert to fraction form
    89,218.84/133,680.60 = 39,223.96/x
  3. Step 3: Cross multiply
    89,218.84x = 133,680.60 × 39,223.96
  4. Step 4: Simplify right side
    89,218.84x = 5,243,482,507.18
  5. Step 5: Solve for x
    x = 5,243,482,507.18/89,218.84
  6. Step 6: Final answer
    x = 58,771.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.